Timer



FIG. 1 is front, perspective view of a timer, according to our new design;

FIG. 2 is a front view of the timer shown in FIG. 1; and,

FIG. 3 is an enlarged view of the area identified by reference numeral 3 in FIG. 2.

The features depicted in evenly spaced dashed lines are shown to illustrate portions of the timer that form no part of the claimed design. The dot-dot-dash lines shown in the drawings depict boundaries and form no part of the claimed design. 

CLAIM The ornamental design for a timer, as shown and described. 